Cosmology Physicist - Fully Remote | Up to $110/hr

mercor; San Francisco (CA); Hybrid; CAD 110,000 - 152,000; Full time

Job summary

Mercor seeks a Gravitation, Cosmology and Astrophysics Physicist (PhD) for a remote contract of 8 to 10 weeks. The role focuses on evaluating AI model training and improving model outputs for research-level physics challenges, with emphasis on gravitation and cosmology.

You will develop complex physics problems for AI evaluation, review results with structured feedback, and collaborate with AI research teams to ensure rigor in model reasoning.

Qualifications

• PhD in gravitation, cosmology, astroparticle physics, or related field.
• Verifiable publication record with arXiv IDs or DOIs.
• Proficiency in LaTeX, Python, SymPy, and Jupyter.
• English at B2 or above, including written reasoning.

Responsibilities

• Evaluate AI model training and improve outputs in research-level physics challenges.
• Develop complex physics problems and solutions for AI model evaluation.
• Review completed work and provide structured feedback to enhance training data quality.
• Collaborate with AI research teams to ensure precision and rigor in model reasoning.
• Work independently and asynchronously to meet deadlines and improve AI model performance.

Skills

LaTeX

Python

SymPy

Jupyter

English (B2+)

Git

Education

PhD in gravitation, cosmology, astroparticle physics, or related field

Tools

VS Code

Job description

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey .

Position: Gravitation, Cosmology and Astrophysics Physicist (PhD) Type: Contract Compensation: $80–$110/hour Location: Remote Duration: 8 to 10 weeks Commitment: 10 hours/week

Role Responsibilities

• Evaluate AI model training and improve model outputs in research-level physics challenges.
• Develop complex physics problems and solutions in your subfield for AI model evaluation .
• Review completed work and provide structured feedback to enhance training data quality .
• Collaborate with AI research teams to ensure precision and rigor in model reasoning .
• Work independently and asynchronously to meet deadlines and improve AI model performance .

Qualifications

Must-Have

• PhD in gravitation, cosmology, astroparticle physics, or a closely related field.
• Published work on specific phenomena such as torsion, Nieh-Yan, or Chern-Simons terms.
• Verifiable publication record with arXiv IDs or DOIs .
• Proficiency in LaTeX , Python , SymPy , and Jupyter .
• English at B2 or above , including written reasoning.

Preferred

• Familiarity with an agentic coding extension in VS Code .